Dry Core Drill Bit, 108 mm Diameter, 241 mm Depth for Concrete and Masonry

Dry Core Drill Bit, 4.25"/108 mm Diameter 5/8"-11 Shank Arbor with a Pilot Bit & Blade, 9.5"/241.3mm Depth Diamond Coring Bore Tool, Masonry Hole Saw Bits for Hard Concrete Brick
Premium Diamond Grit
5/8"-11 Universal Thread
Quick Chip Removal Hole
Flawless Kit
High-frequency Teeth Welding
Extensive Uses
Bit Diameter: 4.25 in / 108 mm,Model: COREDRILL4.25IN,Material: Diamond & Aluminum Alloy,Bit Depth: 9.5 in / 241.3 mm,Net Weight: 5.9 lbs / 2.7 kg,Thread: 5/8 in - 11